import { Log } from '../src/log';
import { fastConcatMP4, mixinMP4AndAudio } from '../src/mp4-utils';
import { playOutputStream } from './play-video';

document.querySelector('#fast-concat-mp4')?.addEventListener('click', () => {
  (async () => {
    const resList = ['./video/webav1.mp4', './video/webav2.mp4'];
    const stream = await fastConcatMP4(
      await Promise.all(resList.map(async (url) => (await fetch(url)).body!)),
    );
    const { loadStream } = playOutputStream(resList, document.body);
    await loadStream(stream);
  })().catch(Log.error);
});

document.querySelector('#mixin-mp4-audio')?.addEventListener('click', () => {
  (async () => {
    const resList = ['./video/webav1.mp4', './audio/44.1kHz-2chan.mp3'];
    const stream = mixinMP4AndAudio((await fetch(resList[0])).body!, {
      stream: (await fetch(resList[1])).body!,
      volume: 1,
      loop: true,
    });
    const { loadStream } = playOutputStream(resList, document.body);
    await loadStream(stream);
  })().catch(Log.error);
});

document.querySelector('#concat-and-mixin')?.addEventListener('click', () => {
  (async () => {
    const resList = [
      './video/webav1.mp4',
      './video/webav2.mp4',
      './audio/44.1kHz-2chan.mp3',
    ];
    const mp4Stream = await fastConcatMP4([
      (await fetch(resList[0])).body!,
      (await fetch(resList[1])).body!,
    ]);
    const stream = mixinMP4AndAudio(mp4Stream, {
      stream: (await fetch(resList[2])).body!,
      volume: 1,
      loop: false,
    });
    const { loadStream } = playOutputStream(resList, document.body);
    await loadStream(stream);
  })().catch(Log.error);
});
